Re: [Xen-devel] [PATCH] unnamed union structure members are dangerous to expose in public headers

[Keir Fraser <keir.fraser@xxxxxxxxxxxxx>]

On 25/3/08 17:25, "Samuel Thibault" <samuel.thibault@xxxxxxxxxxxxx> wrote:

> will return 0x13e0 when compiled without gcc -std=c99, while the
> expected value is 0x1430, resulting to seg faults and all kinds of
> tricks.  Compiling with
> 
> #include "/usr/include/xen/foreign/x86_64.h"
> 
> shows why:
> 
> /usr/include/xen/foreign/x86_64.h:88: warning: declaration does not
> declare anything

This raises two obvious questions:
 1. Why building with -std=c99?
 2. Why building without -Werror?

 -- Keir



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